CN209996540U - Clamp, valve annulus clamp assembly and valve annulus repair system - Google Patents
Clamp, valve annulus clamp assembly and valve annulus repair system Download PDFInfo
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- CN209996540U CN209996540U CN201821821850.8U CN201821821850U CN209996540U CN 209996540 U CN209996540 U CN 209996540U CN 201821821850 U CN201821821850 U CN 201821821850U CN 209996540 U CN209996540 U CN 209996540U
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Abstract
The utility model relates to the field of medical equipment, and provides kinds of clamps, a valve annulus clamp assembly and a valve annulus repair system, wherein each clamp comprises a clamping mechanism and a locking mechanism, each clamping mechanism comprises a clamping arm and a second clamping arm which are opposite and naturally open, each 0 clamping arm is provided with a 1 th flexible occlusion part, each second clamping arm is provided with a second flexible occlusion part, each locking mechanism comprises a th plate and a second plate which are oppositely arranged, a accommodating groove used for being inserted by the th plate is formed in each clamping arm, a second accommodating groove used for being inserted by the second plate is formed in each second clamping arm, and each th plate and each second plate are used for closing each th clamping arm and each second clamping arm after being respectively inserted into the th accommodating groove and each second accommodating groove and fixing each th clamping arm and each second clamping arm.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to kinds of anchor clamps, valve ring anchor clamps subassembly and valve ring repair system.
Background
The tricuspid valve is located at the mouth of the right atrium and the right ventricle, is composed of a fibrous stent ring formed by dense connective tissues and three triangular valve leaflets attached to the fibrous stent ring, and is incompletely closed along with the periodic movement change of the stereoscopic morphology and the size of a cardiac cycle, namely the tricuspid valve regurgitation is diseases that the three valve leaflets meet each other in the contraction phase of the right ventricle to form spaces among the valve leaflets due to incomplete closure and cause blood flow to flow back to the right atrium from the right ventricle.
This tricuspid regurgitation has been mainly treated by surgical operation, such as opening the chest and cutting open the heart, and then suturing the valve or performing a ring-contracting operation on the valve annulus, but this operation method is very invasive and risky because it is necessary to stop the heart from beating during the operation and to circulate blood extracorporeally by means of a heart-lung machine. The minimally invasive treatment method is less invasive and less risky to operate, but only exists in a theoretical stage at present, and no actual product is produced.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model aims at providing kinds of anchor clamps, valve ring anchor clamps subassembly and valve ring repair system, can treat tricuspid regurgitation through minimal invasive method.
In order to solve the technical problem, the embodiment of the utility model provides clamps, a valve annulus clamp assembly and a valve annulus repair system, wherein the clamps comprise a clamping mechanism and a locking mechanism, the clamping mechanism comprises a clamping arm and a second clamping arm which are opposite and naturally open, the clamping arm is provided with a flexible occlusion part, and the second clamping arm is provided with a second flexible occlusion part;
the locking mechanism comprises a th plate and a second plate which are oppositely arranged;
the th clamping arm is provided with a th accommodating groove for the th plate to be inserted into, and the second clamping arm is provided with a second accommodating groove for the second plate to be inserted into;
the th and second plates are used for closing the th and second gripper arms and fixing the th and second gripper arms after being inserted into the th and second receiving grooves, respectively.
In addition, the utility model discloses an embodiment still provides valve ring anchor clamps subassemblies, including the support component, the anchor clamps as described above, the relative position of fixture is placed to the support component for be got by fixture's centre gripping arm and second centre gripping arm clamp.
In addition, the utility model discloses an embodiment also provides kinds of valve ring clamp assemblies, which comprise a clamp and a supporting component;
the jig includes: a clamping mechanism and a locking mechanism;
the clamping mechanism comprises an th clamping arm and a second clamping arm which are opposite and naturally open;
the locking mechanism part is arranged at the outer side of the th clamping arm and the second clamping arm, is connected with the th clamping arm and the second clamping arm, can move longitudinally along the th direction and is finally fixed to the th position, so that the th clamping arm and the second clamping arm are closed;
the supporting component is arranged at a position opposite to the clamping mechanism and is used for being clamped by the th clamping arm and the second clamping arm of the clamping mechanism.
In addition, the embodiment of the utility model also provides valve annulus repair systems, which comprises a delivery device, the valve annulus clamp assembly as described above;
the conveying device comprises:
a delivery tube for receiving and delivering the valve annulus clamp assembly;
control element inserted into the delivery pipe for driving the clamping mechanism to move along the axial direction of the delivery pipe;
the second control piece is inserted into the conveying pipe and used for driving the locking mechanism to move along the axial direction of the conveying pipe;
the auxiliary support rod is inserted into the conveying pipe, is detachably connected with the support part and is used for driving the support part to move along the axial direction of the conveying pipe;
the auxiliary supporting rod is a flexible rebounding component and is used for returning the supporting component to the original form after the supporting component is sent out of the conveying pipe, and the supporting component is brought to the position opposite to the clamping mechanism.
Compared with the prior art, the utility model discloses embodiment because centre gripping arm and second centre gripping arm open naturally, and carry out the interlock through flexible interlock portion and the flexible interlock portion of second to the partial tissue of valve ring, make the valve ring shrink, and then make the space between the adjacent valve reduce, prevent blood to flow against the heart again.
In addition, the gripping arm further comprises a arm body and a flexible arm, wherein the flexible arm connects the flexible meshing part and the arm body in series, the accommodating groove is formed in the arm body and the flexible meshing part respectively, the second gripping arm comprises a second arm body and a second flexible arm, the second flexible arm connects the second flexible meshing part and the second arm body in series, and the second accommodating groove is formed in the second arm body and the second flexible meshing part respectively.
In addition, the th and second flex arm members are memory metal members, or the th and second flex arm members are multi-modular chain structures, thus allowing the th and second flex arms to naturally open after being delivered out of the delivery tube.
In addition, the flexible engaging part is a toothed structure, the second flexible engaging part is a second toothed structure, when the flexible arm and the second flexible arm are both in a multi-module chain structure, the toothed structure comprises engaging teeth arranged on at least modules of the flexible arm, and the second toothed structure comprises second engaging teeth arranged on at least modules of the second flexible arm.
After the th flexible occlusion part and the second flexible occlusion part are occluded with each other, at least cavities are formed between the th flexible occlusion part and the second flexible occlusion part, so that the annular tissue is prevented from being lost and necrotized due to the excessive occlusion force of the th flexible occlusion part and the second flexible occlusion part during occlusion.
In addition, the locking mechanism is made of nickel-titanium alloy, cobalt-chromium or stainless steel materials. The nickel-titanium alloy, cobalt-chromium or stainless steel material has the excellent characteristics of abrasion resistance, corrosion resistance, high damping, superelasticity and the like, and can be left in a patient body without causing damage to the patient.
In addition, the board has part of the protrusion towards the side of the second board to form a protrusion, the second board has part of the protrusion towards the side of the board to form a second protrusion, and the protrusion and the second protrusion are oppositely arranged.
In addition, the clamping mechanism further comprises a stop piece fixedly connected with the th clamping arm and the second clamping arm respectively, the stop piece is further connected with the th plate and the second plate in a sliding mode along the axial direction of the locking mechanism respectively, the locking mechanism further comprises a connecting piece, the connecting piece is arranged opposite to the stop piece and is fixedly connected with the th plate and the second plate respectively, the side of the stop piece relative to the connecting piece is a th stop surface, and the side of the connecting piece relative to the stop piece is a second stop surface.
In addition, the whole locking mechanism is a U-shaped structural part or a C-shaped structural part, and the th clamping arm and the second clamping arm are used for entering the interior of the U-shaped structural part or the C-shaped structural part when being closed.
In addition, the support component is a long rod component, the tail end of the long rod component is opposite to the clamping mechanism, and the cross-sectional diameter of the tail end of the long rod component is larger than that of the rest part of the long rod component. Therefore, the long rod part is not easy to slide out of the clamping mechanism, and the stability of the clamping mechanism for clamping valve tissues is improved.
Drawings
Fig. 1 is a schematic structural view of a clip according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a clamping mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a locking mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view of the locking mechanism locking fixture assembly of the embodiment of the present invention;
figure 5 is an exploded view of a clamp assembly according to a second embodiment of the present invention;
FIG. 6 is a schematic view of the assembly of a second embodiment of the clamp assembly of the present invention in use;
figure 7 is an exploded view of a clamp assembly according to a third embodiment of the present invention;
fig. 8 is a schematic structural view of a clip according to a third embodiment of the present invention;
fig. 9 is a schematic structural view of a clamping mechanism according to a third embodiment of the present invention;
fig. 10 is a schematic structural view of a lock mechanism lock according to a third embodiment of the present invention;
FIG. 11 is an assembly view of a locking mechanism locking fixture according to a third embodiment of the present invention;
FIG. 12 is a schematic view of the assembly of a second embodiment of the clamp assembly of the present invention in use;
fig. 13 is a schematic structural view of a jig, a long rod member and an auxiliary support rod in the fourth embodiment;
FIG. 14 is a schematic view showing the construction of a feed pipe in the fourth embodiment;
fig. 15 is a sectional view of a valve annulus repair system in a fourth embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments. The following embodiments are divided for convenience of description, and should not constitute any limitation to the specific implementation manner of the present invention, and the embodiments may be combined and interacted with each other without contradiction.
The utility model discloses an embodiment provides anchor clamps for the valve ring of centre gripping tricuspid valve, the valve ring that the tricuspid valve comprises the dense connective tissue and the three valve adnexed on it constitute, the unable complete closure of three valve rings of tricuspid valve regurgitation disease patient seals the valve ring, can lead to the blood flow to flow back to the right atrium again from the right ventricle, anchor clamps among this embodiment can be with the partial valve ring tissue position centre gripping of tricuspid valve, can effectively carry out the ring to the valve ring and contract, realize the minimal access treatment to tricuspid valve regurgitation disease.
As shown in figure 1, the clamp of the embodiment comprises a clamping mechanism 1 and a locking mechanism 2, wherein the clamping mechanism 1 comprises th clamping arm 3 and a second clamping arm 4 which are opposite and naturally opened, the th clamping arm 3 is provided with a th flexible occlusion part 33, the second clamping arm 4 is provided with a second flexible occlusion part 43, the th flexible occlusion part 33 and the second flexible occlusion part 43 are used for clamping pieces of valve, and the locking mechanism 2 is used for locking the th clamping arm 3 and the second clamping arm 4, so that the flexible occlusion part 33 and the second flexible occlusion part 43 can keep permanent clamping on partial tissues of the valve annulus.
In addition, as shown in fig. 3, the locking mechanism 2 comprises a connecting member 23, a plate member 21 and a second plate member 22 which are oppositely arranged, the connecting member 23 is connected between the plate member 21 and the second plate member 22, and the locking mechanism 2 is a U-shaped structural member or a C-shaped structural member as a whole, however, in this embodiment, the locking mechanism 2 is a U-shaped structural member, and of course, the locking mechanism 2 may also be a C-shaped structural member, which is only an example of a U-shaped structural member and is not specifically limited in this embodiment, in addition, as shown in fig. 2, the 2 receiving slot 34 for insertion of the 1 plate member 21 is opened on the th clamping arm 3, and the second receiving slot 44 for insertion of the second plate member 22 is opened on the second clamping arm 4, and the clamping arm 3 and the second clamping arm 4 have elasticity, and, in combination with fig. 4, when the plate member 21 is inserted into the receiving slot 34 and the second plate member 22 is inserted into the second receiving slot 6344, the and the second clamping arm 3 and the second clamping arm 9 is moved towards each other directions of the flexible clamping portion 6333, so that the flexible clamping mechanism can keep the flexible tissue clamping portion of the second clamping portion and the flexible clamping portion of the second clamping arm 9 and the flexible clamping portion 9, and the flexible clamping portion of the flexible clamping mechanism 2.
Further, it is worth mentioning that, as shown in fig. 1 and 2, the clamping arm 3 further includes a th arm body 31 and a th flexible arm 32, and the th flexible arm 32 connects the th arm body 31 and a th flexible occluding portion 33 in series, and a th receiving slot 34 opens on the th arm body 31 and the flexible occluding portion 33, respectively, the second clamping arm 4 also includes a second arm body 41 and a second flexible arm 42, and the second flexible arm 42 connects the second arm body 41 and the second flexible occluding portion 43 in series, and the second receiving slot 44 opens on the second arm body 41 and the second flexible occluding portion 43, respectively, so that when the th and second plates 21 and 2 are inserted into the two receiving slots 34 and the two second receiving slots 44, respectively, the third flexible occluding portion 33 and the second flexible occluding portion 43 clamp the valve annulus 3822 and the second tissue 73722, respectively, the second flexible occluding portion 384 clamp the valve annulus and the valve annulus 464.
Preferably, the flexible arm 32 and the second flexible arm 42 are each a memory metal member having a strong elasticity and shape-retaining ability, and the memory metal member is made of a material such as nitinol, cobalt chromium or stainless steel, which can reduce the harm to the patient when stored in the patient due to its excellent characteristics of wear resistance, corrosion resistance, high damping and super elasticity, and the memory metal can be restored to its original shape when undergoing any deformation, so that the flexible arm 32 and the second flexible arm 42 are naturally opened and moved away from each other when not receiving any force, and the flexible arm 32 and the flexible arm 42 are moved toward each other when the plate 21 and the second plate 22 of the locking mechanism 2 are inserted into the receiving slot 34 and the second receiving slot 44, respectively.
It should be noted that after the two occlusion parts are occluded, at least cavities are formed between each other, so that the force applied by the th flexible occlusion part 33 and the second flexible occlusion part 43 to the occluded tissue part can be effectively relieved, and the clamped tissue is prevented from necrosis due to excessive clamping force.
Meanwhile, in order to enable the flexible occlusion part 33 and the second flexible occlusion part 43 to have a good clamping effect on the tissue part of the valve annulus, in the present embodiment, as shown in fig. 1, both the flexible occlusion part 33 and the second flexible occlusion part 43 can adopt tooth-shaped structural members, and the clamping of the tissue part of the valve annulus is achieved through mutual occlusion of the two tooth-shaped structural members, specifically, each tooth-shaped structural member has a plurality of occlusion teeth 9, and the occlusion teeth 9 on the two tooth-shaped structural members are arranged in a staggered manner, so that the occluded tissue part is not easy to escape after the occlusion teeth 9 on the two tooth-shaped structural members are mutually occluded, and in order to avoid that the flexible occlusion part 41 and the second flexible occlusion part 42 cannot damage the occluded tissue part after being mutually occluded.
In addition, the flexible arm 32 and the second flexible arm 42 can be both of a multi-module chain structure, the chain structure has a strong deformation capability, the chain structure can be formed by sequentially connecting and splicing a plurality of metal modules in series through corresponding belt-shaped members, and the corresponding clamping effect on the valve ring tissue can be achieved by the way.
Meanwhile, as shown in fig. 2, the clamping mechanism 1 further comprises a fixedly connected stop member 5 connected with the th clamping arm 3 and the second clamping arm 4. referring to fig. 1 and 3, the stop member 5 is slidably connected with the th plate 21 and the second plate 22 along the axial direction of the locking mechanism 2, the stop member 5 can slide in the locking mechanism 2, the stop member 5 is a th stop surface 51 facing the side of the connecting member 23 of the locking mechanism 2, and the connecting member 23 is a second stop surface 231 facing the side of the stop member 5. medical personnel can push the locking mechanism 2 to move towards the direction close to the clamping mechanism 1, the connecting member 23 also moves towards the stop member 5, and when the th stop surface 51 abuts against the second stop surface 231, the connecting member is the limit position of the movement of the locking mechanism 2, at this time, the clamping mechanism 1 is completely closed and is accommodated in the locking mechanism 2.
It should be noted that after the operation, the clip is left in the heart of the patient, as a preferable scheme, the locking mechanism 2 is made of nickel-titanium alloy, nickel-titanium, cobalt-chromium or stainless steel, and as shown in fig. 3, the th plate 21 of the locking mechanism 2 has a part of protrusion towards the side of the second plate 22 to form the th protrusion 211, and the th plate 22 has a part of protrusion towards the side of the th plate 21 to form the second protrusion 212, and the th protrusion 211 is opposite to the second protrusion 212, when the clamping mechanism 1 is stored in the locking mechanism 2, the th protrusion 211 and the second protrusion 212 will respectively abut against the th flexible occlusion part 33 and the second flexible occlusion part 43, so as to maintain the clamping of the clamping mechanism 1 on the valve annulus tissue site, and prevent the clamping mechanism 1 from slipping out of the locking mechanism 2, thereby achieving the effect of treating tricuspid regurgitation.
The second embodiment of the present invention provides a membrane valve ring clamp assembly for tricuspid valve regurgitation operation, which comprises a support component and a clamp as described in the first embodiment , as shown in fig. 5, the support component is located at a position opposite to the clamping mechanism 1, the support component is a long rod component 6, the end 61 of the long rod component 6 is opposite to the clamping mechanism 1, as shown in fig. 12, the long rod component 6 is located at the inner side of the valve ring, the clamp is located at the outer side of the valve ring, the end 61 of the long rod component 6 faces the valve ring tissue to be jacked up, the medical staff can jack the valve ring tissue part between the flexible occlusion part 33 and the second flexible occlusion part 43 by pulling the long rod component 6 outwards, so that the clamping mechanism 1 clamps the valve ring tissue, and clamps the valve ring, meanwhile, the flexible occlusion part 33 and the second flexible occlusion part 43 can clamp the occluded tissue part and the long rod component 6 at the same time, and improve the stability of clamping.
It should be noted that the cross-sectional diameter of the end 61 of the long rod member 6 is larger than that of the rest of the long rod member 6, the end 61 of the long rod member 6 is clamped by the th flexible occlusion part 33 and the second flexible occlusion part 43, and the long rod member 6 is not easy to slide out of the clamping mechanism 1 due to the larger cross-sectional diameter of the end 61, so that the stability of clamping the tissue site is improved steps.
Through the above, it is easy to find that the difficult problem that the valve annulus tissue part is flat and smooth and is not easy to be occluded by the clamp is solved by the arrangement of the long rod part 6, so that the risk of minimally invasive treatment is further reduced .
A third embodiment of the present invention provides a membrane annulus clamp assembly, comprising, as shown in FIG. 7, a clamp and a support member, wherein the clamp comprises a clamp mechanism 1 and a locking mechanism 2, and, as shown in FIG. 8, the clamp mechanism 1 comprises a th and a second clamp arms 3 and 4 that are opposed and naturally open, the locking mechanism 2 is partially disposed outside the th and second clamp arms 3 and 4, and is configured to be connected to the th and second clamp arms 3 and 4, and to be longitudinally movable in the th direction, and finally fixed to the th position, thereby closing the th and second clamp arms 3 and 4. additionally, the support member is disposed at a position opposite to the clamp mechanism for being gripped by the th and second clamp arms 3 and 4 of the clamp mechanism 1.
Specifically, as shown in fig. 10, the locking mechanism 2 includes a connecting member 23, a plate 21 and a second plate 22 which are oppositely disposed, the connecting member 23 is connected between the plate 21 and the second plate 22, and the locking mechanism 2 is a U-shaped structural member or a C-shaped structural member as a whole, however, in this embodiment, the locking mechanism 2 is a U-shaped structural member, and of course, the locking mechanism 2 may also be a C-shaped structural member, which is only exemplified by the U-shaped structural member in this embodiment, and is not specifically limited, in addition, as shown in fig. 9, the receiving slot 34 for insertion of the 1 plate 21 is opened on the 0 clamping arm 3, and the second receiving slot 44 for insertion of the second plate 22 is opened on the second clamping arm 4, and the clamping arm 3 and the second clamping arm 4 are both elastic, and in combination with fig. 11, when the plate 21 is inserted into the receiving slot 34 and the second plate 22 is inserted into the second receiving slot 6344, the second clamping arm 3 and the second clamping arm 4 are both elastic, and the flexible clamping arm may clamp the tissue 53933 and the flexible tissue clamping portion 35 and the flexible clamping portion 35, respectively when the second clamping arm 21 and the flexible clamping arm 9 are inserted into the second clamping portion 637.
It is further worth mentioning that, as shown in fig. 8 and 9, the clamping arm 3 further includes a th arm body 31 and a th flexible arm 32, and the th flexible arm 32 connects the st arm body 31 and the th flexible occluding portion 33 in series, while the th receiving slot 34 opens on the th arm body 31 and the th flexible occluding portion 33, respectively, as shown in fig. 8 and 9, the second clamping arm 4 further includes a second arm body 41 and a second flexible arm 42, and the second flexible arm 42 connects the second arm body 41 and the second flexible occluding portion 43 in series, while the second receiving slot 44 opens on the second arm body 41 and the second flexible occluding portion 43, respectively, as shown in fig. 8 and 9, the th plate member 21 and the second plate 2 are inserted into the two second receiving slots 34 and the two second receiving slots 44, respectively, the second flexible occluding portion 33 and the second flexible occluding portion may clamp the valve annulus 3822 and the second plate 2 may clamp the valve annulus 22 and the closure portion of the valve annulus 3884 simultaneously.
Preferably, the flexible arm 32 and the second flexible arm 42 are each a memory metal member having a strong elasticity and shape-retaining ability, and the memory metal member is made of a material such as nitinol, cobalt chromium or stainless steel, which can reduce the harm to the patient when stored in the patient due to its excellent characteristics of wear resistance, corrosion resistance, high damping and super elasticity, and the memory metal can be restored to its original shape when undergoing any deformation, so that the flexible arm 32 and the second flexible arm 42 are naturally opened and moved away from each other when not receiving any force, and the flexible arm 32 and the flexible arm 42 are moved toward each other when the plate 21 and the second plate 22 of the locking mechanism 2 are inserted into the receiving slot 34 and the second receiving slot 44, respectively.
In addition, the support component is located at the position opposite to the clamping mechanism 1, the support component is a long rod component 6, the end 61 of the long rod component 6 is opposite to the clamping mechanism 1, in operation, as shown in fig. 12, the long rod component 6 is located at the inner side of the valve annulus, the clamp is located at the outer side of the valve annulus, the end 61 of the long rod component 6 faces the valve annulus tissue to be jacked up, the medical staff can jack the valve annulus tissue part between the flexible occlusion part 33 and the second flexible occlusion part 43 by pulling the long rod component 6 outwards, so that the clamping mechanism 1 can clamp the valve annulus tissue and clamp the valve annulus, meanwhile, the flexible occlusion part 33 and the second flexible occlusion part 43 can simultaneously clamp the occluded tissue part and the long rod component 6 , and the clamping stability is improved.
It should be noted that the cross-sectional diameter of the end 61 of the long rod member 6 is larger than that of the rest of the long rod member 6, the end 61 of the long rod member 6 is clamped by the th flexible occlusion part 33 and the second flexible occlusion part 43, and the long rod member 6 is not easy to slide out of the clamping mechanism 1 due to the larger cross-sectional diameter of the end 61, so that the stability of clamping the tissue site is improved steps.
Through the above, it is easy to find that the difficult problem that the valve annulus tissue part is flat and smooth and is not easy to be occluded by the clamp is solved by the arrangement of the long rod part 6, so that the risk of minimally invasive treatment is further reduced .
The third embodiment of the present invention provides valve annulus repair systems for use in tricuspid regurgitation surgery, comprising a delivery device and a valve annulus clamp assembly as in the second embodiment, wherein the delivery device can be implanted into the heart through the superior vena cava or inferior vena cava, delivering the clamp assembly to the tricuspid valve for surgery.
As shown in figures 13, 14 and 15, the delivery device comprises a delivery pipe 7, a control element, a second control element and an auxiliary support rod 8, wherein a cavity 71 for accommodating the valve ring clamp assembly and a second cavity 72 for accommodating the auxiliary support rod 8 are formed in the delivery pipe 7, in the present embodiment, the control element and the second control element are both flexible steel cables, although the control element and the second control element can also be other traction elements, in the present embodiment, only a flexible steel cable is taken as an example and is not particularly limited, the control element is inserted into the cavity 71 and is detachably connected with the clamping mechanism 1 for driving the clamping mechanism 1 to move along the axial direction of the delivery pipe 7, the second control element is inserted into the cavity 71 and is detachably connected with the locking mechanism 2 for driving the locking mechanism 2 to move along the axial direction of the delivery pipe 7, and the control element and the second control element are controlled by medical personnel for pushing and pulling the clamping mechanism 1 and the locking mechanism 2 to perform the operation of the clamping mechanism 1 to approach the tricuspid valve, the tissue of the clamping mechanism 1 and the clamping mechanism 1.
The auxiliary support rod 8 is inserted into the second cavity 72, and is detachably connected to the support member, i.e. the long rod member 6, and can drive the long rod member 6 to move along the axial direction of the delivery pipe 7. in this embodiment, the th control member is connected to the clamping mechanism 1, the second control member is connected to the locking mechanism 2, the long rod member 6 is connected to the auxiliary support rod 8 by a buckle, the buckle is stably connected and is convenient to detach, and the auxiliary support rod 8, the th control member and the second control member can be conveniently taken out, meanwhile, as shown in fig. 5, the auxiliary support rod 8 is a flexible resilient member, after the medical staff pushes the long rod member 6 out of the delivery pipe 7 through the auxiliary support rod 8, the auxiliary support rod 8 can be resiliently returned to the original shape, the auxiliary support rod member 8 is hooked after being resiliently returned, the long rod member 6 is driven to the position corresponding to the clamping mechanism 1.
After the clamp finishes clamping the valve annulus and the long rod part 6, the medical staff can remove the connection between the control piece and the clamping mechanism 1 by rotating the control piece, contact the second control piece with the locking mechanism 2 by rotating the second control piece, rotate the auxiliary support rod 8 to remove the connection between the auxiliary support rod 8 and the long rod part 6, and then take out the delivery pipe 7, the control piece, the second control piece and the auxiliary support rod 8.
Through the above, it can be found that, since the channel delivery pipe 7 can accommodate and deliver the valve annulus clamp assembly, the valve annulus clamp assembly can be implanted into the heart from the superior vena cava or the inferior vena cava of the human body through the channel delivery pipe 7 in the closed state, and moreover, the control element, the second control element and the auxiliary support rod 8 can respectively drive each component of the valve annulus clamp assembly to move, so that the minimally invasive treatment of the tricuspid valve regurgitation can be effectively realized.
Claims (15)
- The clamp of types 1 and is characterized by comprising a clamping mechanism and a locking mechanism;the clamping mechanism comprises an th clamping arm and a second clamping arm which are opposite and naturally open, wherein the th clamping arm is provided with a th flexible occlusion part, and the second clamping arm is provided with a second flexible occlusion part;the locking mechanism comprises a th plate and a second plate which are oppositely arranged;the th clamping arm is provided with a th accommodating groove for the th plate to be inserted into, and the second clamping arm is provided with a second accommodating groove for the second plate to be inserted into;the th and second plates are used for closing the th and second gripper arms and fixing the th and second gripper arms after being inserted into the th and second receiving grooves, respectively.
- 2. The clamp of claim 1, wherein said th clamping arm further comprises a th arm body and a th flexible arm, said th flexible arm connects said th flexible engaging portion and said th arm body in series, and said th receiving groove opens on said th arm body and said th flexible engaging portion, respectively;the second clamp arm includes: the second flexible arm is used for connecting the second flexible occlusion part and the second arm body in series; the second accommodating grooves are respectively formed in the second arm body and the second flexible meshing portion.
- 3. The clamp of claim 2, wherein said compliant arm and said second compliant arm are each a piece of memory metal;alternatively, the th flexible arm and the second flexible arm are each a multi-modular chain structure.
- 4. The clip of claim 3, wherein the flexible bite is a toothed structure and the second flexible bite is a second toothed structure;and when the th flexible arm and the second flexible arm are both multi-module chain structures, the toothed structure comprises th engaging teeth arranged on at least of the th flexible arms, and the second toothed structure comprises second engaging teeth arranged on at least of the second flexible arms.
- 5. The clip of claim 1 wherein said th flexible snap portion is interengaged with said second flexible snap portion to form at least cavities between said th flexible snap portion and said second flexible snap portion.
- 6. The clip of claim 1, wherein the locking mechanism is formed from a nickel titanium alloy, cobalt chromium or stainless steel material.
- 7. The clamp of claim 1, wherein the th plate is partially convex toward the side of the second plate to form a th protrusion, the second plate is partially convex toward the side of the th plate to form a second protrusion, and the th protrusion and the second protrusion are oppositely disposed.
- 8. The clamp of claim 1, wherein the clamping mechanism further comprises:the stopping piece is fixedly connected with the th clamping arm and the second clamping arm respectively;the stopping piece is also connected with the th plate and the second plate in a sliding way along the axial direction of the locking mechanism;the locking mechanism further comprises:the connecting piece is arranged opposite to the stop piece and is fixedly connected with the th plate piece and the second plate piece respectively;the side of the stop piece relative to the connecting piece is a stop surface, and the side of the connecting piece relative to the stop piece is a second stop surface.
- 9. The clamp of claim 8, wherein the locking mechanism is generally a U-shaped structure or a C-shaped structure, and wherein the th gripping arm and the second gripping arm are configured to access the interior of the U-shaped structure or the C-shaped structure when closed.
- 10, A valve annulus clamp assembly, comprising a clamp and a support member;the jig includes: a clamping mechanism and a locking mechanism;the clamping mechanism comprises an th clamping arm and a second clamping arm which are opposite and naturally open;the locking mechanism part is arranged at the outer side of the th clamping arm and the second clamping arm, is connected with the th clamping arm and the second clamping arm, can move longitudinally along the th direction and is finally fixed to the th position, so that the th clamping arm and the second clamping arm are closed;the supporting component is arranged at a position opposite to the clamping mechanism and is used for being clamped by the th clamping arm and the second clamping arm of the clamping mechanism.
- 11. The valve annulus clamp assembly of claim 10 wherein the locking mechanism comprises opposing plates;the th clamping arm is provided with a th accommodating groove for the th plate to be inserted into, and the second clamping arm is provided with a second accommodating groove for the second plate to be inserted into;the th and second plates are used for closing the th and second gripper arms and fixing the th and second gripper arms after being inserted into the th and second receiving grooves, respectively.
- 12. The valve annulus clamp assembly of claim 11 wherein the th clamping arm further comprises a th arm body and a th flexible arm, wherein the th flexible arm connects the th flexible engaging part and the th arm body in series, and the th accommodating groove is opened on the th arm body and the th flexible engaging part respectively;the second clamp arm includes: the second flexible arm is used for connecting the second flexible occlusion part and the second arm body in series; the second accommodating grooves are respectively formed in the second arm body and the second flexible meshing portion.
- The valve annulus clamp assembly of claim 13, comprising a support member, the clamp of any of claims 1 to 9, , the support member being disposed opposite the clamping mechanism for grasping by the clamp arm and the second clamp arm of the clamping mechanism.
- 14. The valve annulus clamp assembly of claim 13 wherein the support member is a long shaft member having a distal end opposite the clamping mechanism, the distal end of the long shaft member having a cross-sectional diameter greater than a cross-sectional diameter of a remainder of the long shaft member.
- 15, A valve annulus repair system comprising a delivery device, the valve annulus clamp assembly of claim 13 or 14;the conveying device comprises:a delivery tube for receiving and delivering the valve annulus clamp assembly;control element inserted into the delivery pipe for driving the clamping mechanism to move along the axial direction of the delivery pipe;the second control piece is inserted into the conveying pipe and used for driving the locking mechanism to move along the axial direction of the conveying pipe;the auxiliary support rod is inserted into the conveying pipe, is detachably connected with the support part and is used for driving the support part to move along the axial direction of the conveying pipe;the auxiliary supporting rod is a flexible rebounding component and is used for returning the supporting component to the original form after the supporting component is sent out of the conveying pipe, and the supporting component is brought to the position opposite to the clamping mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821821850.8U CN209996540U (en) | 2018-11-04 | 2018-11-04 | Clamp, valve annulus clamp assembly and valve annulus repair system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821821850.8U CN209996540U (en) | 2018-11-04 | 2018-11-04 | Clamp, valve annulus clamp assembly and valve annulus repair system |
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| CN209996540U true CN209996540U (en) | 2020-01-31 |
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| CN201821821850.8U Active CN209996540U (en) | 2018-11-04 | 2018-11-04 | Clamp, valve annulus clamp assembly and valve annulus repair system |
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Effective date of registration: 20200904 Address after: Room 303-1, building 5, 1158 Jiuting Central Road, Jiuting Town, Songjiang District, Shanghai, 201615 Patentee after: Shanghai Huihe Medical Technology Co.,Ltd. Address before: Room 1204, 12/F, 525 Chengyin Road, Baoshan District, Shanghai, 2004 Patentee before: SHANGHAI HUIZHI MEDICAL TECHNOLOGY Co.,Ltd. |
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Address after: Room 303, building 5, No. 1158, Jiuting Central Road, Jiuting Town, Songjiang District, Shanghai 201615 Patentee after: Shanghai Huihe Medical Technology Co.,Ltd. Address before: 201615 room 303-1, building 5, no.1158, Jiuting Central Road, Jiuting Town, Songjiang District, Shanghai Patentee before: Shanghai Huihe Medical Technology Co.,Ltd. |